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Internal Medicine

Maria L. Arango Frias, MD

Sees patients in Bayamon, PR · Puerto Rico

Summary

Dr. Maria L. Arango Frias, MD is an internal medicine doctor at Carr 2, 105 Medical Ophthalmic Plaza, Bayamon, PR 00959. Phone: (787) 786-2274. Accepts Medicare assignment. NPI 1619082153. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: Carr 2, 105 Medical Ophthalmic Plaza, Bayamon, PR 00959 · Directions
  • Phone: (787) 786‑2274
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1972 (54 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Maria L. Arango Frias, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Maria L. Arango Frias accept Medicare assignment?
Yes. Medicare's clinician data says Maria L. Arango Frias accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Maria L. Arango Frias's NPI number?
1619082153. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Maria L. Arango Frias is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Puerto Rico →

Other internal medicine doctors in Bayamon

Clinicians with the same Medicare primary specialty in Bayamon, PR — not a recommendation.

All internal medicine doctors in Bayamon →

Clinician information

CredentialMD
Graduation year1972 (54 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619082153
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians